./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a2a51f996e4cf34954505c04e8fa9e53d244d46a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:35:42,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:35:42,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:35:42,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:35:42,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:35:42,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:35:42,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:35:42,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:35:42,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:35:42,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:35:42,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:35:42,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:35:42,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:35:42,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:35:42,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:35:42,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:35:42,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:35:42,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:35:42,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:35:42,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:35:42,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:35:42,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:35:42,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:35:42,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:35:42,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:35:42,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:35:42,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:35:42,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:35:42,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:35:42,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:35:42,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:35:42,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:35:42,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:35:42,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:35:42,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:35:42,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:35:42,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:35:42,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:35:42,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:35:42,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:35:42,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:35:42,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 10:35:42,810 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:35:42,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:35:42,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:35:42,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:35:42,811 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:35:42,812 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:35:42,812 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:35:42,812 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:35:42,812 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:35:42,812 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:35:42,812 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:35:42,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:35:42,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:35:42,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:35:42,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:35:42,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:35:42,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:35:42,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:35:42,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:35:42,814 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:35:42,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:35:42,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:35:42,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:35:42,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:35:42,815 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:35:42,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:35:42,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:35:42,816 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:35:42,817 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:35:42,817 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2a51f996e4cf34954505c04e8fa9e53d244d46a [2019-11-20 10:35:43,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:35:43,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:35:43,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:35:43,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:35:43,021 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:35:43,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2019-11-20 10:35:43,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/data/d7cf5970f/4669c704784c47658cfd572057deadae/FLAG3e071b127 [2019-11-20 10:35:43,557 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:35:43,558 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2019-11-20 10:35:43,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/data/d7cf5970f/4669c704784c47658cfd572057deadae/FLAG3e071b127 [2019-11-20 10:35:43,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/data/d7cf5970f/4669c704784c47658cfd572057deadae [2019-11-20 10:35:43,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:35:43,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:35:43,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:35:43,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:35:43,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:35:43,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:35:43" (1/1) ... [2019-11-20 10:35:43,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc16bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:43, skipping insertion in model container [2019-11-20 10:35:43,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:35:43" (1/1) ... [2019-11-20 10:35:43,872 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:35:43,920 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:35:44,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:35:44,262 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:35:44,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:35:44,351 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:35:44,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44 WrapperNode [2019-11-20 10:35:44,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:35:44,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:35:44,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:35:44,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:35:44,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (1/1) ... [2019-11-20 10:35:44,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (1/1) ... [2019-11-20 10:35:44,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:35:44,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:35:44,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:35:44,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:35:44,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (1/1) ... [2019-11-20 10:35:44,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (1/1) ... [2019-11-20 10:35:44,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (1/1) ... [2019-11-20 10:35:44,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (1/1) ... [2019-11-20 10:35:44,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (1/1) ... [2019-11-20 10:35:44,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (1/1) ... [2019-11-20 10:35:44,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (1/1) ... [2019-11-20 10:35:44,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:35:44,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:35:44,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:35:44,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:35:44,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:35:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 10:35:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 10:35:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 10:35:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:35:44,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:35:44,814 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:35:44,814 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-20 10:35:44,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:44 BoogieIcfgContainer [2019-11-20 10:35:44,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:35:44,816 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:35:44,816 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:35:44,819 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:35:44,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:35:44,820 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:35:43" (1/3) ... [2019-11-20 10:35:44,821 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1efcedfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:35:44, skipping insertion in model container [2019-11-20 10:35:44,821 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:35:44,821 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:44" (2/3) ... [2019-11-20 10:35:44,821 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1efcedfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:35:44, skipping insertion in model container [2019-11-20 10:35:44,821 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:35:44,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:44" (3/3) ... [2019-11-20 10:35:44,823 INFO L371 chiAutomizerObserver]: Analyzing ICFG cll_traverse-alloca.i [2019-11-20 10:35:44,888 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:35:44,888 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:35:44,889 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:35:44,889 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:35:44,889 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:35:44,889 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:35:44,889 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:35:44,889 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:35:44,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 10:35:44,927 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2019-11-20 10:35:44,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:35:44,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:35:44,932 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 10:35:44,932 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 10:35:44,932 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:35:44,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-20 10:35:44,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2019-11-20 10:35:44,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:35:44,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:35:44,934 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 10:35:44,934 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 10:35:44,941 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 12#L552-3true [2019-11-20 10:35:44,941 INFO L796 eck$LassoCheckResult]: Loop: 12#L552-3true assume !!(init_cll_~i~0 < init_cll_~n);call init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0.base, init_cll_~next_node~0.offset := init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;call write~int(init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, 4);call write~$Pointer$(init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_~next_node~0.base, init_cll_~next_node~0.offset; 10#L552-2true init_cll_#t~post3 := init_cll_~i~0;init_cll_~i~0 := 1 + init_cll_#t~post3;havoc init_cll_#t~post3; 12#L552-3true [2019-11-20 10:35:44,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:44,947 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 10:35:44,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:35:44,956 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372426619] [2019-11-20 10:35:44,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:35:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:45,082 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:35:45,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:45,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2019-11-20 10:35:45,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:35:45,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548320306] [2019-11-20 10:35:45,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:35:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:45,115 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:35:45,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:45,117 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2019-11-20 10:35:45,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:35:45,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820796211] [2019-11-20 10:35:45,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:35:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:45,173 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:35:45,661 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-11-20 10:35:45,722 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:35:45,836 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-20 10:35:45,837 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:35:45,842 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:35:45,953 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-20 10:35:45,953 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:35:45,956 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 10:35:45,956 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:156, output treesize:158 [2019-11-20 10:35:46,246 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-11-20 10:35:46,344 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:35:46,344 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:35:46,344 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:35:46,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:35:46,345 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:35:46,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:46,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:35:46,345 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:35:46,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_traverse-alloca.i_Iteration1_Lasso [2019-11-20 10:35:46,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:35:46,346 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:35:46,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:35:46,602 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-11-20 10:35:46,805 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-11-20 10:35:47,291 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:35:47,298 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:35:47,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:35:47,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:35:47,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:35:47,449 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:35:47,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:35:47,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:35:47,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:35:47,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,548 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:35:47,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:35:47,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:35:47,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:35:47,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:35:47,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:35:47,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:35:47,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:35:47,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:35:47,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:35:47,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,802 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:35:47,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:35:47,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:35:47,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:35:47,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:35:47,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:47,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:35:47,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:35:47,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:35:47,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:35:47,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:35:47,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:35:47,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:47,929 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:35:48,056 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-20 10:35:48,057 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:35:48,118 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:35:48,122 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 10:35:48,122 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:35:48,123 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~n, ULTIMATE.start_init_cll_~i~0) = 1*ULTIMATE.start_init_cll_~n - 1*ULTIMATE.start_init_cll_~i~0 Supporting invariants [] [2019-11-20 10:35:48,142 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-20 10:35:48,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:48,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:35:48,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:35:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:35:48,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:35:48,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:35:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:35:48,256 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 10:35:48,258 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-11-20 10:35:48,331 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 27 states and 36 transitions. Complement of second has 7 states. [2019-11-20 10:35:48,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 10:35:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 10:35:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2019-11-20 10:35:48,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-20 10:35:48,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:35:48,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 10:35:48,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:35:48,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-20 10:35:48,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:35:48,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2019-11-20 10:35:48,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:35:48,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 8 states and 10 transitions. [2019-11-20 10:35:48,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-20 10:35:48,358 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-20 10:35:48,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-11-20 10:35:48,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:35:48,359 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-20 10:35:48,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-11-20 10:35:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-20 10:35:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 10:35:48,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-11-20 10:35:48,392 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-20 10:35:48,392 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-20 10:35:48,392 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 10:35:48,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-11-20 10:35:48,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:35:48,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:35:48,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:35:48,394 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 10:35:48,394 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:35:48,394 INFO L794 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 89#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 90#L552-3 assume !(init_cll_~i~0 < init_cll_~n); 91#L552-4 call write~$Pointer$(init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_#res.base, init_cll_#res.offset := init_cll_~head~0.base, init_cll_~head~0.offset; 92#L559 main_#t~ret7.base, main_#t~ret7.offset := init_cll_#res.base, init_cll_#res.offset;main_~head~1.base, main_~head~1.offset := main_#t~ret7.base, main_#t~ret7.offset;havoc main_#t~ret7.base, main_#t~ret7.offset;traverse_#in~head.base, traverse_#in~head.offset := main_~head~1.base, main_~head~1.offset;havoc traverse_#t~mem5.base, traverse_#t~mem5.offset, traverse_~head.base, traverse_~head.offset, traverse_~curr~1.base, traverse_~curr~1.offset;traverse_~head.base, traverse_~head.offset := traverse_#in~head.base, traverse_#in~head.offset;traverse_~curr~1.base, traverse_~curr~1.offset := traverse_~head.base, traverse_~head.offset; 94#L564-2 [2019-11-20 10:35:48,394 INFO L796 eck$LassoCheckResult]: Loop: 94#L564-2 assume !!(traverse_~curr~1.base != 0 || traverse_~curr~1.offset != 0);call traverse_#t~mem5.base, traverse_#t~mem5.offset := read~$Pointer$(traverse_~curr~1.base, 4 + traverse_~curr~1.offset, 8);traverse_~curr~1.base, traverse_~curr~1.offset := traverse_#t~mem5.base, traverse_#t~mem5.offset;havoc traverse_#t~mem5.base, traverse_#t~mem5.offset; 94#L564-2 [2019-11-20 10:35:48,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:48,395 INFO L82 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2019-11-20 10:35:48,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:35:48,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464121125] [2019-11-20 10:35:48,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:35:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:48,434 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:35:48,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:48,435 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2019-11-20 10:35:48,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:35:48,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169833327] [2019-11-20 10:35:48,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:35:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:48,446 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:35:48,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:35:48,447 INFO L82 PathProgramCache]: Analyzing trace with hash 889605012, now seen corresponding path program 1 times [2019-11-20 10:35:48,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:35:48,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230080821] [2019-11-20 10:35:48,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:35:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:35:48,491 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:35:49,177 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2019-11-20 10:35:49,193 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:35:49,385 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-20 10:35:49,386 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:35:49,406 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 10:35:49,579 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-20 10:35:49,579 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 10:35:49,581 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 10:35:49,581 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:183, output treesize:159 [2019-11-20 10:35:49,772 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-20 10:35:49,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:35:49 BoogieIcfgContainer [2019-11-20 10:35:49,819 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:35:49,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:35:49,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:35:49,822 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:35:49,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:44" (3/4) ... [2019-11-20 10:35:49,827 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 10:35:49,901 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fb5ec8be-9cd6-4648-b910-2d45854a8217/bin/uautomizer/witness.graphml [2019-11-20 10:35:49,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:35:49,903 INFO L168 Benchmark]: Toolchain (without parser) took 6046.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.3 MB). Free memory was 950.1 MB in the beginning and 972.9 MB in the end (delta: -22.9 MB). Peak memory consumption was 189.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:49,904 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:35:49,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:49,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:49,911 INFO L168 Benchmark]: Boogie Preprocessor took 27.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:35:49,912 INFO L168 Benchmark]: RCFGBuilder took 380.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:49,913 INFO L168 Benchmark]: BuchiAutomizer took 5003.10 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 975.6 MB in the end (delta: 118.4 MB). Peak memory consumption was 191.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:49,919 INFO L168 Benchmark]: Witness Printer took 82.24 ms. Allocated memory is still 1.2 GB. Free memory was 975.6 MB in the beginning and 972.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:35:49,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 493.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 380.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5003.10 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 975.6 MB in the end (delta: 118.4 MB). Peak memory consumption was 191.8 MB. Max. memory is 11.5 GB. * Witness Printer took 82.24 ms. Allocated memory is still 1.2 GB. Free memory was 975.6 MB in the beginning and 972.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 9 SDslu, 14 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital263 mio100 ax100 hnf100 lsp97 ukn43 mio100 lsp27 div100 bol100 ite100 ukn100 eq177 hnf92 smp100 dnf172 smp93 tf100 neg95 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {i=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@1f9d5c39=0, \result=0, NULL=1, next_node=0, \result=-1, next_node=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ca919b9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@1f9d5c39=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b8244f=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@6c762336=0, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@270f159d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@270f159d=0, curr=0, \old(n)=0, n=0, head=-1, n=0, head=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f2c7669=0, head=0, head=-1, curr=-1, NULL=0, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f2c7669=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b8244f=0, curr=-1, head=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] node_t* head = init_cll(n); [L563] node_t* curr = head; Loop: [L564] COND TRUE curr != ((void *)0) [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...